Home / 65,745.60-98,618.40-40,704.45

Finding the Fourth Proportional to 65,745.60, 98,618.40 and 40,704.45

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Solution

The fourth proportional to 65,745.60, 98,618.40 and 40,704.45 is: 61,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,745.60 : 98,618.40 = 40,704.45 : x
  2. Step 2: Convert to fraction form
    65,745.60/98,618.40 = 40,704.45/x
  3. Step 3: Cross multiply
    65,745.60x = 98,618.40 × 40,704.45
  4. Step 4: Simplify right side
    65,745.60x = 4,014,207,731.88
  5. Step 5: Solve for x
    x = 4,014,207,731.88/65,745.60
  6. Step 6: Final answer
    x = 61,056.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.